On quasi-injective modules
L. Fuchs (1969)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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L. Fuchs (1969)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Paramhans, S.A. (1988)
Portugaliae mathematica
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Crivei, Septimiu (2005)
International Journal of Mathematics and Mathematical Sciences
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Khan, Mohd.Z., Zubair, A. (2000)
International Journal of Mathematics and Mathematical Sciences
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Kamal, Mahmoud Ahmed (1994)
International Journal of Mathematics and Mathematical Sciences
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Gonca Güngöroglu, Harmanci, Abdullah (2000)
Czechoslovak Mathematical Journal
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The aim of this paper is to investigate quasi-corational, comonoform, copolyform and -(co)atomic modules. It is proved that for an ordinal a right -module is -atomic if and only if it is -coatomic. And it is also shown that an -atomic module is quasi-projective if and only if is quasi-corationally complete. Some other results are developed.